环状物 meaning in English

annulation
annulus
collar
cup
loop
ring
toroid

The rings resonate at more than one frequency each
这些环状物各自有不同的振动频率。
A short whip used in horseback riding , with a loop serving as a lash
短马鞭一种用环状物做鞭梢的骑马用的短鞭
The after - affects of this iron thunderbolt have an ominously recognizable ring
受到烙铁的霹雳影响之后，可辩认出不吉利的环状物。
Something having a shape , order , or path of motion that is circular or curved over on itself
环状物形状、顺序或运动路线为环形或自身弯曲的某物
Plastics piping systems - glass - reinforced thermosetting plastics pipes - test method to prove the resistance to initial ring deflection
塑料管道系统.玻璃增强的热固性塑料管.验证抗初期环状物挠曲的试验方法

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